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Mon, 9 Feb 2026 15:07:07 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id h6RTBBv4iWniDgAAD6G6ig (envelope-from ); Mon, 09 Feb 2026 15:07:07 +0000 Date: Mon, 09 Feb 2026 16:07:06 +0100 Message-ID: <87bjhy0xd1.wl-tiwai@suse.de> From: Takashi Iwai To: Zhang Heng Cc: perex@perex.cz, tiwai@suse.com, sbinding@opensource.cirrus.com, kailang@realtek.com, chris.chiu@canonical.com, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] ALSA: hda/realtek: add quirk for Acer Nitro ANV15-51 In-Reply-To: <20260209134149.3076957-1-zhangheng@kylinos.cn> References: <20260209134149.3076957-1-zhangheng@kylinos.cn> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spam-Score: -3.51 X-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_SEVEN(0.00)[9]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; DBL_BLOCKED_OPENRESOLVER(0.00)[kylinos.cn:email,suse.de:dkim,suse.de:mid,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:104:10:150:64:97:from,2a07:de40:b281:106:10:150:64:167:received]; DKIM_TRACE(0.00)[suse.de:+] X-Spam-Level: X-Rspamd-Action: no action X-Rspamd-Queue-Id: 602C65BD14 X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Flag: NO On Mon, 09 Feb 2026 14:41:49 +0100, Zhang Heng wrote: > > fix mute/micmute LEDs and headset microphone for Acer Nitro ANV15-51. > > [ The headset microphone issue is solved by Kailang] > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=220279 > Cc: > Signed-off-by: Zhang Heng > --- > There is a small issue now, the mute LED stays on when I mute the > laptop microphone, unmute the headphone microphone, and set the > headphone mic as default. Is it possible to fix this? Can LED be controlled dynamically by writing to a sysfs file in /sys/class/leds/*? e.g. % cat /sys/class/leds/platform::micmute/brightness 1 % echo 0 > /sys/class/leds/platform::micmute/brightness If the direct write changes the actual LED status, it's not about the sound driver problem, but possibly some plumbing in user-space via UCM, etc. thanks, Takashi